A self-hosted browser assistant / Beta for macOS

A more capable browser, on your terms.

Meet Vicaro, the assistant that reads, clicks and works alongside you in the Chrome you already use. Your model, your machine, your control.

  • Free while in beta
  • No Vicaro account
  • Your model, your machine
Made for the way you work01 / THE WORKSPACE
Vicaro side panel with a summary of the current article

An assistant in your browser / An illustrative preview

Beta software. It can click, type, submit forms, make purchases, delete data, and change account settings. Review every action before you approve it.

Read the safety notes

What is Vicaro?

A self-hosted browser agent for Chrome.

Vicaro is an AI assistant that runs in Chrome's side panel and acts on the browser you already use. It reads open tabs, clicks, types, and reports back. A small helper on your Mac runs the loop and talks to the model you choose.

Unlike a hosted browser agent, Vicaro does not run your pages in a vendor cloud. The helper, history and memories stay on your machine, and page content goes only to the model endpoint you configure.

Category
Browser agent and AI assistant
Runs on
macOS 13.5+ and Chrome 116+
Model
Local server or any OpenAI-compatible endpoint
Price
Free while in beta
Data
Local SQLite, no telemetry
Source
Closed source, self-hosted helper

What it does

More than a window to chat.

Vicaro sees the tab you are on, acts inside it, and checks the result before it answers.

Reads what you see

Open tabs, the page in front of you, and the interactive elements behind it, with the logins you already have.

Acts, then checks

Clicks, types, scrolls and navigates. After anything that changes the page, it verifies the result before continuing.

Asks before damage

Purchases, deletes, sends and uploads always stop for your Allow. In lighter modes, reads and simple navigation can run without a prompt.

Shows its work

Every action and observation becomes a receipt in the thread, with the page evidence it used.

A closer look

See Vicaro in action.

The panel, the model settings, and the beta warning users see before they let it act.

How it works

Three parts, all yours.

The thinking runs on your machine. The browser is the interface. There is no Vicaro server in the middle.

  1. Install the helper

    A small menu-bar app. It holds the model connection, history and memories, locally.

    macOS app
  2. Add the extension

    A Chrome side panel. You grant page access per site, the first time you use it. The extension has no broad host grant.

    Chrome 116+
  3. Point it at a model

    Ollama, LM Studio, mlx or vLLM on your LAN, or any OpenAI-compatible endpoint with your key.

    Local or hosted

Self-hosted by design

Your model. Your machine.

Vicaro does not ship a default model and does not run a fallback. You choose the endpoint that sees your pages, whether that is a server on this Mac, a machine on your LAN, or a provider you already pay for.

  • No Vicaro account required to use the panel
  • No analytics, no telemetry, no ad identifiers
  • Chat, tasks and memories stay in the helper's local data directory
  • Google sign-in is optional and carries no page content
Model settings showing a local endpoint and a saved API key

Settings, Model. The endpoint is yours, and the key stays on your machine.

Beta warning

Early software. Real actions.

Vicaro can click, type, submit forms, make purchases, delete data, and change account settings. Treat it like a capable intern using your logged-in browser, not a sandbox.

  • Keep backups and use a Chrome profile you can afford to lose.
  • Start in Read only or Ask first. Both are one click in Settings.
  • Check the result before continuing, especially on money, legal, medical or account pages.
  • Approvals show the exact command, file path or page action. Read that, not just the model's summary.
  • Provided as is, without warranty. You are responsible for the actions you approve.
Beta warning in Vicaro Settings describing possible loss of money, data or access

Install

Start in a few minutes.

macOS 13.5+ and Chrome 116+. The Linux helper is in progress. Windows is not supported yet.

One command

Installs the helper into ~/Applications, stages the extension, and copies its folder path to your clipboard.

curl -fsSL https://vicaro.creativeducks.com/install.sh | sh

The helper is ad-hoc signed for now. The installer says what it touches and how to undo it.

Chrome Web Store: listing in preparation. Until it is live, use the unpacked extension the installer stages. The same package is on GitHub Releases.

Prefer a disk image? Download the universal DMG. The same app runs on Apple Silicon and Intel.

Then load the extension

  1. Open chrome://extensionsTurn on Developer mode, top right.
  2. Load unpackedPress Cmd+Shift+G, paste the folder path the installer copied, then Return.
  3. Pin and openClick the Vicaro Beta icon to open the side panel.

Need help? Read Support or open an issue on GitHub.

Questions

The short answers.

Is it safe to use in beta?

Not for anything you cannot afford to lose. It can click, type, submit forms and change settings. Start with Read only or Ask first, keep backups, and use a Chrome profile that does not hold your most important accounts.

Does it send my pages to your servers?

No. Vicaro has no servers. Page text, tool results and messages go to the model endpoint you configure, and nowhere else. That endpoint may be local, on your LAN, or a hosted provider you chose.

Do I need a Google account?

No. The panel works without one. Google sign-in is optional and only links one account to the web UI. No chats, pages or memories are sent to Google or Firebase.

Can I use it from Cursor or Claude Code?

Not in this build. MCP host support is in development. The helper can consume MCP servers you configure, but it does not yet register itself in Cursor or Claude Code.

Does it work on Windows or Linux?

macOS is the supported beta today. A Linux helper build is in progress. Windows is not supported yet.

What does it cost?

Nothing while it is in beta. If that changes, the price will be announced before it applies.

Is it open source?

No. Vicaro is closed-source software, and the helper is self-hosted: it runs on your machine and keeps its data in a local database you can inspect or delete.